/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 86186
 * Date: 2023-09-03
 * Time: 9:41
 */
public class Main {
    public static void main(String[] args) {
        Test test = new Test();
        String s = "PAYPALISHIRING";
        String ret = test.convert(s,4);
        System.out.println(ret);
    }
}